This aftermarket set from Yokomo supplies a rear wing and scale accessory pieces for the HKS Racing Performer 86 on-road body shell. It is intended as a direct-fit upgrade or replacement for visual detailing and to support minor aerodynamic changes on 1/10 on-road models.
Fitting the components is done by test-fitting to the shell, cutting or adjusting mounting tabs if necessary, and securing with body posts, hobby screws, or adhesives. The kit is made as bolt-on elements that align with common mounting points on the HKS Racing Performer 86 shell.
In setup terms, the parts let you refine rear-end aero behaviour and the model's visual proportion by experimenting with wing pitch and accessory placement. Proceed with incremental adjustments, evaluate changes on the track, and rely on the set to improve scale presence without altering chassis settings.
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